Access concreterevolutio.com. TVアニメ「コンクリート・レボルティオ～超人幻想～」公式サイト

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.429

22/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

concreterevolutio.com

575 ms

concreterevolutio.com

1021 ms

css

28 ms

common.css

501 ms

top.css

503 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 86% of them (61 requests) were addressed to the original Concreterevolutio.com, 4% (3 requests) were made to Google-analytics.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Concreterevolutio.com.

Content Size

4.1 MB

After Optimization

3.8 MB

In fact, the total size of Concreterevolutio.com main page is 4.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 47.0 kB

Original 54.5 kB
After minification 49.1 kB
After compression 7.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 47.0 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 57.9 kB

Original 3.8 MB
After minification 3.7 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Concreterevolutio images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 130.3 kB

Original 226.3 kB
After minification 208.3 kB
After compression 96.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 130.3 kB or 58% of the original size.

CSS Optimization

-80%

Potential reduce by 21.6 kB

Original 27.1 kB
After minification 17.6 kB
After compression 5.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Concreterevolutio.com needs all CSS files to be minified and compressed as it can save up to 21.6 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concreterevolutio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

JA
Language Claimed

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Concreterevolutio.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Concreterevolutio.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

concreterevolutio.com

Open Graph description is not detected on the main page of Concreterevolutio. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

TVアニメ「コンクリート・レボルティオ～超人幻想～」公式サイト

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

concreterevolutio.com

concreterevolutio.com

css

common.css

top.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

concreterevolutio.com

concreterevolutio.com

css

common.css

top.css

jquery-1.11.1.min.js

jquery.cookie.js

jquery.easing.1.3.js

slick.min.js

slick.css

slick-theme.css

jquery.colorbox.js

colorbox.css

analytics.js

common.js

conversion.js

gtm.js

analytics.js

backtop.png

sns_fb.gif

sns_tw.gif

sns_youtube.gif

logo.png

bn_global_site.jpg

bn_event.jpg

bn_music.jpg

bn_nenpyou.jpg

bn_niconico.jpg

bn_icon.jpg

bn_pv4.jpg

bn_pv5.jpg

bn_pv3.jpg

topbg.png

mainvisual.png

bn_blulay.jpg

bn_radio.jpg

thumb_news.jpg

keyvisual.jpg

0809jacket.jpg

20160809_2.jpg

20160809_1.jpg

0706jacket.jpg

160629chara1.jpg